Does wax seal work long term? The whole reason they go foggy is that the UV protection has worn out, don't you need to replace it with something UV resistant?I used wet and dry paper starting at 400 grit, then 800, 1200, 1500 then 2000 grit.
Then used the machine polisher with some farecla g3 cutting compound which seems to have done the job and some wax to seal afterwards
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On this video whole process is explained: How To Restore Headlights PERMANENTLY (Better Than a BRAND NEW Headlight) 10:33Does wax seal work long term? The whole reason they go foggy is that the UV protection has worn out, don't you need to replace it with something UV resistant?
For really crappy headlights wash them (rubbing alcohol works good) then use 400>600>1200>2000>2500 (all wet and alternating sanding direction with each grit) then use a cutting compound and finish with a uv protector so they don't go yellow again within a few months.Just been practicing with sand paper. On an old plastic lid that seemed to come up pretty clear imo. So moved on to my passenger off side headlamp. It took away most of the visible scratches and hazed look. But they are not great at all. So I think I'm going to try a polishing wheel and compound next.
If that fails to bring it back I'm just going to replace them with a later year headlight.
I used 400 1500 2000 and 2500 grit in two passes then a paint compound as this seemed to work on the plastic lid that I test sanded with.
Will post a picture tomorrow of how the passenger side looks. Definitely need a bit more work though.
For stuff that you pretty much already had lying around the house you won't get much better. Looks good.Okay so here is P.S. and D.S after sanding and a buff with drill and driver side got the buff only.
You can still see the oxidized plastic on driver side.
They didn't look very good before I started.
Otherwise I wouldn't have considered the light sanding.
How many times this could be done would be very limited. Although since I can still see the vehicles numbers on the head lights. That means they have not had any sanding done till now.
The products were
6 quid sand paper
5 for polish compound
6 for the drill attachment
But most of these items were for paint work so really my cost was zero.
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